Remove unused and duplicate strings

Change-Id: I7e1a3120e66ca8bc3adab65499663fecb5b041a3
diff --git a/AndroidManifest.xml.jinja2 b/AndroidManifest.xml.jinja2
index d888de2..ea459c5 100644
--- a/AndroidManifest.xml.jinja2
+++ b/AndroidManifest.xml.jinja2
@@ -228,7 +228,7 @@
         </activity>
 
         <!-- For creating new folder in bookmarks page -->
-        <activity android:name="AddBookmarkFolder" android:label="@string/save_bookmark_folder"
+        <activity android:name="AddBookmarkFolder" android:label="@string/new_folder"
                   android:theme="@style/DialogWhenLarge"
                   android:configChanges="orientation|keyboardHidden|screenSize">
                   <intent-filter>